Bowling-ball with composition coating and gripping-sockets.



J. W. HYATT.

BOWLING BALL WITH COMPOSITION COATING AND GRIPPING SOCKETS. I

APPLICATION FILED 001x24, 1913.

L1 11 622, Patented Sept. 22, 1914.

To all whom itma l concern:

.spherical.

nexed drawing, in 'which a lath open woven fabric) upon .r omv w; 31mm,or NEWARK, NEW .TERsEY.

YBOWIIING'BAIIL WITH COMPOSITTON COATING AND GRIPPING-SOCKETS.

1,111,022, I Specification of Letters Patent.

Application filed October 24, 1913. Serial No.

Patented Sept. 272, i914. 797,020.

molded in a plastic state upon the surface of the fibrous material so asto adhere strongly thereto. As such composition coating forms acontinuous shell, its own tenacity holds it in close contactwith thefibrous material, while the cement serves to intimately unite thecomposition to the underlying fibers. The fibrous material in likemanner forms a continuous shell upon the metallic body and is held inclose contact therewith by its own tenacity, and serves most effectivelyas a medium for securing the composition coating to the metal.

If a solution of the same substance as the composition be used for thecement, it is obviously less dens when united with the fibers of thewoven fabric, than in the outer composition coating, and the fibers aretherefore capable of slightly yielding under blows and concussions, andtherefore form a relatively elastic supportfor the outer coating.

This is a very material advantage, as a thin coating,

Be it known that I, JOHN W. HYATT, a citizen of the United States,residing at 724 Ridge street, Newark, county ofEssex and State of NewJersey, have invented certain new and useful Improvenients in Bowling-Balls with Composition Coating and Gripping-Sockets, fully described andrepresented in the following specification and the accompanyingdrawings,forming a part of the same.

The object of this invention is to furnish a bowling ballof improvedconstruction as a substitute for the balls of wood and solid compositionheretofore made, the construction being such that the ball alwaysremains The construction employs a metallic body with a layer of fibrousmaterial cemented firmly thereon and an exterior coating of .relativelynon yielding homogeneous composition molded thereon and having ahardness and texture adapted to turn in a lathe.

The nature of the invention will be most readily understood by referenceto the an- 1 Figure 1 is a transverse central section of the ball takenthrough the grip-sockets; Fig. 2 shows the outer end of one of thegripsockets; and Fig. 3 a sideview of one of the grip-sockets.

The ball is shown with a hollow metallic body formed of a sphericalshell a of suit- I able thickness to afford the required weight in theball, and such metallic body is coated with. a homogeneous composition bwhich may be moldedthereon, and hardened to a density and textureadapted to be turned in e to a perfectly spherical form, and which isstrongly adherent to the metal body so that it is sustained andthoroughly supported under blows and concussions, and is not liable tofracture or indentation in ordinary use.

A special means is preferably employed to make the composition adhere tothe metal body, so asto afford it a relatively elastic base. This iseffected-by cementing superposed sheets 0 of fibrous material (as thinthesurface ofthe body, a cement being used which willcause the s heetsoffabric to adhere strongly to one another and to the metal. The cementdriver inserted through the outer mouth of used is preferably of thesame substance as the grip-socket, but may be made of any thecomposition layer which formstheouter required shape. The grip-socketsare exsurface of the ball, and the composition is p'anded,inwardly, asindicated at j in Fig.

fibrous material thus performs two important functions, in uniting thecomposition to the iron body, and in furnishing a somewhat yielding basefor the composition.

bowling ball above a certain size always requires means to grip it bythe fingers for throwing it in the bowling alley,

adapted for a ball having a metallic shell and a composition coating,and consists of tubular thimbles or grip-sockets CZ; (Z, furnished neartheir outer ends with a thread e to screw into a threaded hole 7 in themetallic shell, and having a collar 9 to bear against the outer side ofthe shell, and of suitable thickness to stand flush with the surface ofthe external coating. To screw the grip-sockets readily into thethreaded 1 holes of theshell, each socket is formed with a bottom-plateit having a recess i therein to receive a wrench for screwing the socketinto the hole f.

The recess shown is of oblong shape and thus-adapted to receive the endof a screwand the means shown herein isespecially 1, to afiord thefingers a more secure grip upon the ball when throwing the same.

Two sockets cl, d of diiferent' size are shown upon the upper side ofthe ball in Fig. 1, one being adapted especially to re- 'ceive the thumbof the bowler, and a socket d at the left side of the ball and havingthe expanding slope formed only upon the upper side of such socket, thatis adjacent to the socket 625, which is made larger than the sockets (Zand (Z to receive the thumb of the bowler. The socket (Z is adapted foroccasional use with either the socket d or d.

The collar 9 which rests upon the shell a is proportioned to make theouter end of the rip-socket flush with the coating 1) upon the metallicshell, and thus serves the double function of arresting the grip-socketwhen screwed into the sh-ll, and of making it flush with the exterior ofthe balll c Having thus set forth the nature of the invention what isclaimed herein is:

1. A bowling ball havinga metallic body with a layer of relativelyelastic fibrous material cemented thereto, and a continuous layer ofrelatively non-elastic composition adherent to the fibrous layer, andhaving a density and texture adapted to be turned to a spherical shapein a lathe.

2. A bowling ball having a hollow metallic body with a purality ofsheets of fibrous material overlapping one another upon its surface andsecured to one another and to the said surface by adhesive cement, and acontinuous layer of relatively non-elastic homogeneous compositionadherent to the fibrous layer, and of density adapted to be turned in alathe.

3. A bowling ball having a hollow metallic body with a continuous layerof homogeneous and tion coating adherent thereto, sockets threaded inholes in the shell of the hollow body and having each a collar exteriorto the thread and contacting with such shell and flush with the surfaceof the composition coating.

4. A bowling ball having a hollow metallic body with threaded aperturesto receive grip-sockets, and a continuous layer of relativelynon-elastic homcgeneous composition coating adherent thereto, and gripsockets ,With thread to [it the threadedolioles and collar penetratingthrough having each a the composition coating to the metallic shell andflush externally with the said coating, substantially as herein setforth.

In testimony whereof I have hereunto set my hand in the presence of twosubscribing witnesses. 7

JOHN W. HYATT. Witnesses L. LEE, THOMAS S. CRANE.

relatively non-elastic composi

